Local Area Networks

Question 1

What is a network?

Answer 1

A collection of computers or other computing devices connected by communication media to allow users to share software, hardware, data, and communicate.

Question 2

Define Local Area Network (LAN).

Answer 2

A network connecting computers in a small area such as a school, university campus, or company offices in one building.

Question 3

What is a Wireless LAN (WLAN)?

Answer 3

A LAN which uses wireless (radio waves) to communicate rather than cables.

Question 4

What is an intranet?

Answer 4

An Internet-like environment consisting of web pages related to an organization’s business, accessible only within the organization.

Question 5

What does network topology refer to?

Answer 5

The mapping of a LAN design, referring to how various nodes, devices, and connections are arranged in relation to each other.

Question 6

Differentiate between physical and logical network topology.

Answer 6

Physical topology refers to actual connections (wires, cables), while logical topology is how the network is set up, including node connections and data transmission.

Question 7

Fill in the blank: A network type in which every computer and device is connected to a single cable is called _______.

Answer 7

Bus Topology

Question 8

List three features of Bus Topology.

Answer 8

• Transmits data only in one direction
• Every device is connected to a single cable
• Cost effective and easy to expand

Question 9

True or False: In Bus Topology, if one cable fails, only the connected devices are affected.

Answer 9

False

Question 10

What is Star Topology?

Answer 10

A topology where all computers and devices are connected to a main hub or switch, which manages the flow of data.

Question 11

List two advantages of Star Topology.

Answer 11

• Fast performance with few nodes and low network traffic
• Easy to troubleshoot and modify

Question 12

What is Ring Topology?

Answer 12

A topology where nodes are arranged in a circle, allowing data to travel in one or both directions.

Question 13

What are the two methods of data transmission in Mesh Topology?

Answer 13

• Routing
• Flooding

Question 14

Define Tree Topology.

Answer 14

A topology with a root node and all other nodes connected to it, forming a hierarchy.

Question 15

What is Hybrid Topology?

Answer 15

A mixture of two or more topologies, inheriting their advantages and disadvantages.

Question 16

What does NIC stand for?

Answer 16

Network Interface Controller

Question 17

What is the role of a server in a network?

Answer 17

A computer that provides shared resources, such as files and Internet access, to network users.

Question 18

What is a file server?

Answer 18

The most common type of server used to store files accessible by users on the network.

Question 19

What is the primary function of an email server?

Answer 19

To handle the email needs of an organization.

Question 20

Fill in the blank: The rate at which data is transferred over media used is known as _______.

Answer 20

Data Transmission Speed

Question 21

What is UTP?

Answer 21

Unshielded Twisted Pair, the most common cable used for wired networks.

Question 22

True or False: Fibre optic cables are primarily used for connecting devices within a LAN.

Answer 22

False

Question 23

What is the purpose of wireless access points?

Answer 23

To allow communication between wireless devices and connect them to a wired network.

Question 24

What does network security refer to?

Answer 24

Policies put in place to ensure the security of a network by preventing unauthorized access to information.

Question 25

List three tips for creating secure passwords.

Answer 25

* At least 8 characters long * Include upper and lowercase letters, numbers, and special characters * Avoid easily guessable personal information

Question 26

What is the role of a network administrator?

Answer 26

To manage the network, ensuring its security and functionality.

Question 27

What is the purpose of an Acceptable Use Policy (AUP)?

Answer 27

To outline the rights and responsibilities of users in networked environments ## Footnote An AUP is crucial for maintaining ethical practices in organizations and schools.

Question 28

What types of rules are included in an Acceptable Use Policy?

Answer 28

Basic netiquette rules and responsible computer usage, restrictions related to Internet usage ## Footnote These rules are designed to protect users while they are online.

Question 29

What does an Acceptable Use Policy serve as between the organization and the user?

Answer 29

A contract summarizing what users can and cannot do ## Footnote It also outlines possible consequences for non-compliance.

Question 30

What ethical aspects does an Acceptable Use Policy cover?

Answer 30

* Ethical use * Legal use * Safe use * Privacy of other users ## Footnote These aspects are important for maintaining a respectful online environment.

Question 31

What are some restrictions mentioned in an Acceptable Use Policy?

Answer 31

* Amount of data downloaded * Accessing objectionable/offensive material * Use of portable storage devices * Installing hardware or software ## Footnote These restrictions vary based on the organization's policies and local laws.

Question 32

What procedures should users follow if they are victims of identity theft or malware?

Answer 32

Follow specific procedures outlined in the AUP ## Footnote This ensures users know how to respond to such incidents effectively.

Question 33

What hints does an Acceptable Use Policy provide to users?

Answer 33

Hints to avoid plagiarism and breaking copyright law ## Footnote This guidance is essential for maintaining ethical academic and professional standards.

Question 34

True or False: An Acceptable Use Policy includes consequences for violating its conditions.

Answer 34

True ## Footnote Clear consequences help enforce compliance with the policy.

Question 35

Fill in the blank: An AUP puts the duty of using the network in a responsible way on the _______.

Answer 35

user ## Footnote This emphasizes individual responsibility in networked environments.

Question 36

What is a consequence of not complying with the Acceptable Use Policy?

Answer 36

Possible disciplinary action or loss of network access ## Footnote Consequences are designed to deter unethical behavior.

Question 37

What is the significance of netiquette in an Acceptable Use Policy?

Answer 37

It sets the standard for respectful online communication ## Footnote Following netiquette helps create a positive online environment.